Yoko Watanabe (渡辺 葉子, Watanabe Yōko, 1953 – July 15, 2004) was a Japanese operatic soprano who spent much of her career singing the title role of Madame Butterfly all over Europe.

She was also known for her large repertoire including such works as Micaela in Carmen, Donna Elvira in Don Giovanni, Marguerite in Faust and Amelia in Verdi's Simon Boccanegra.

Watanabe died after a long battle with cancer in her Milan home at the age of 51. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.